#include "coretypes.h"
#include "options.h"
+#include "real.h"
enum debug_info_type
{
extern bool extra_warnings;
-/* Nonzero to warn about unused variables, functions et.al. Use
- set_Wunused() to update the -Wunused-* flags that correspond to the
- -Wunused option. */
-
-extern void set_Wunused (int setting);
-
/* Used to set the level of -Wstrict-aliasing, when no level is specified.
The external way to set the default level is to use
-Wstrict-aliasing=level.
extern int flag_next_runtime;
extern int flag_dump_rtl_in_asm;
+
+/* The algorithm used for the integrated register allocator (IRA). */
+enum ira_algorithm
+{
+ IRA_ALGORITHM_REGIONAL,
+ IRA_ALGORITHM_CB,
+ IRA_ALGORITHM_MIXED
+};
+
+extern enum ira_algorithm flag_ira_algorithm;
+
+extern unsigned int flag_ira_verbose;
+
\f
/* Other basic status info about current function. */
extern unsigned HOST_WIDE_INT g_switch_value;
extern bool g_switch_set;
+/* Same for selective scheduling. */
+extern bool sel_sched_switch_set;
+
/* Values of the -falign-* flags: how much to align labels in code.
0 means `use default', 1 means `don't align'.
For each variable, there is an _log variant which is the power
warning message in case flag was set by -fprofile-{generate,use}. */
extern bool flag_speculative_prefetching_set;
+/* Type of stack check. */
+enum stack_check_type
+{
+ /* Do not check the stack. */
+ NO_STACK_CHECK = 0,
+
+ /* Check the stack generically, i.e. assume no specific support
+ from the target configuration files. */
+ GENERIC_STACK_CHECK,
+
+ /* Check the stack and rely on the target configuration files to
+ check the static frame of functions, i.e. use the generic
+ mechanism only for dynamic stack allocations. */
+ STATIC_BUILTIN_STACK_CHECK,
+
+ /* Check the stack and entirely rely on the target configuration
+ files, i.e. do not use the generic mechanism at all. */
+ FULL_BUILTIN_STACK_CHECK
+};
+extern enum stack_check_type flag_stack_check;
+
/* Returns TRUE if generated code should match ABI version N or
greater is in use. */